package com.itheima.mapper;

import com.itheima.pojo.Category;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CategoryMapper {

    @Insert("insert into category(category_name, category_alias, create_user, create_time, update_time)" +
            " values(#{categoryName},#{categoryAlias},#{createUser},#{createTime},#{updateTime})")
    void add(Category category);
    //查询所有分类
    @Select("select * from category where create_user = #{userid} order by create_time desc")
    List<Category> list(Integer userid);

    //根据id查询分类
    @Select("select * from category where id = #{id}")
    Category findById(Integer id);

    @Update("update category set category_name = #{categoryName}, category_alias = #{categoryAlias}, update_time = #{updateTime} where id = #{id}")
    void update(Category category);

    @Delete("delete from category where id = #{id}")
    void delete(Integer id);
}
